// Include guards to prevent the header file from being included multiple times
#ifndef HELPER_H
#define HELPER_H

/**
 * Function prototype for add_numbers.
 * This declares the existence of the add_numbers function
 * so that other source files can use it without seeing the implementation.
 *
 * @param a The first integer to be added.
 * @param b The second integer to be added.
 * @return The sum of a and b.
 */
int add_numbers(int a, int b);

#endif // HELPER_H    